CN1179170A - Imrpoved fluorescent inks - Google Patents
Imrpoved fluorescent inks Download PDFInfo
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- CN1179170A CN1179170A CN 96192755 CN96192755A CN1179170A CN 1179170 A CN1179170 A CN 1179170A CN 96192755 CN96192755 CN 96192755 CN 96192755 A CN96192755 A CN 96192755A CN 1179170 A CN1179170 A CN 1179170A
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- pigment
- ink
- described fluorescent
- printing ink
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Abstract
An automobile dashboard display device including a panel that includes indicator numerals and letters that are printed with an acrylic resin bound phosphor pigment wherein the display is illuminated with ultraviolet light. A fluorescent ink comprises, as primary constituents, long-wave activated inorganic phosphor pigment and acrylic resin, with the ink being fluorescent under long-wave ultraviolet radiation. As preferred, the fluorescent ink further comprising visible-light activated pigment, and the acrylic resin is transparent to long-wave ultraviolet radiation. Also as preferred, the inorganic phosphor is rare-earth doped, and there are additives selected from among the group of flow agent, foam suppressants, and surfactants. As most preferred, the fluorescent ink comprises a mixture of long-wave activated, rare-earth doped, inorganic phosphor pigment, visible-light activated pigment, and acrylic resin at least partially transparent to long-wave radiation, with the proportion of visible-light activated pigment and the proportion of phosphor pigment relative to each other being established to provide fluorescence of the ink. The ink is screen-printable, the pigments having particle sizes less than 15 microns, and the phosphor pigment is selected from among the group comprising red, green and blue phosphor pigments, the proportions of the red, green and blue phosphor pigments relative to each other being established to provide desired color of fluorescence of the ink. Still further, the phosphor pigment is photostable, white body color pigment, inert to moisture, and selected from among the group comprising Y2O2S:Eu, Zn2GeO4:Mn, and BaMg2Al16O27:Eu. A fluorescent display device comprises a long-wave ultraviolet light source and a display panel, with the panel imprinted with the described fluorescent ink.
Description
The present invention relates to the display panel of motor vehicle, dashboard for example relates in particular to by its plate of making and has the structure of night vision.
Usually with making as the material of transparent polycarbonate, wherein " motor vehicle " refers generally to car, truck, motorcycle and other Motor vehicles to the motor vehicle display panel.Forward and backward of this transparent polycarbonate is used for showing with night in the daytime by decoration.The decoration of plate front comprises the information in the daytime under black background usually.In the daytime information is made of coloring printing ink, and is white usually according to required color, and this printing ink by the silk screen printing seal onboard.The decoration of plate back comprises the information made from coloring printing ink equally at night, and these, information saw through this plate and visual under the irradiation of plate back light at night.The decoration of plate back will consider that night, color can be different from used in the daytime white as red and green.
Complementary color also can be imprinted on the back of plate.Under the irradiation of the feasible light in the back of this complementary color, this plate obtains substantially the same brightness, although the light of back may be uneven.For example, the light of some plate back shines from the side.In addition, to require under the irradiation of caution light be visual to the warning indicating meter that is called telltale.
Above-mentioned motor vehicle display panel is the standard of automotive industry, supposes this commercial performance standard strictness.Above-mentioned display panel is a kind of desirable material combination, and these can satisfy the quality control requirement of motor vehicle under the price condition that can bear.These quality control requirements comprise its weather resistance under following condition of test: destructive stationary state heating and cooling condition, and destructive temperature cycle change condition, the continuous high temperature degree continues the combination of high light and light, heat, humidity and water spray.
Industrial this standard does not have defective and cost.For example, as mentioned above, complementary color be for the illumination of back can be quite even.Yet although have defective and cost, alternative various display panels and illumination scheme are not known to the gyp automotive industry.In the scheme known to other are not, fluorescence show just be not known to.Multiple Patent publish has been arranged be used for for example fluorescent lighting of the meter information of motor vehicle of mark, but the invention of these patents does not also obtain adopting in commercial applications.Causing not adopted major cause is that it can not satisfy quality control requirement under the competitive price condition.It is believed that this can further cause this situation because used ultraviolet lighting is unsuitable for the driver and the passenger is close.
So one object of the present invention is exactly that instrument for motor vehicle is provided at the fluorescence that satisfies quality control requirement under the competitive price condition and shows.
Thereby another object of the present invention just provides the fluorescence irradiation and avoids improper irradiation in expection is used.
The purpose of all these and other is achieved in following invention, and this invention is main adopts a kind of fluorescence display equipment, and used fluorescence display equipment comprises a long wavelength ultraviolet light source and a display panel.Display panel is printed on fluorescent ink and shows that this printing ink comprises the inorganic phosphor pigment (phosphor pigment) and the acrylic resin of long wavelength ultraviolet optical excitation.This printing ink has fluorescence under the long wavelength ultraviolet optical radiation.The relative display panel of ultraviolet source is placed and is made long wavelength ultraviolet light slave plate the place ahead illuminate demonstration on the plate.In a more particular embodiment, this fluorescence shows that used printing ink has all characteristics of the following stated.
Another main aspect of the present invention is exactly to adopt a kind of specific fluorescent ink.This printing ink comprises inorganic phosphor pigment and the acrylic resin as the long-wavelength excitation of basal component, and this printing ink has fluorescence under the long wavelength ultraviolet optical radiation.As preferably, this fluorescent ink also comprises the pigment of excited by visible light, and used acrylic resin can penetrate the long wavelength ultraviolet optical radiation simultaneously.Same used inorganic phosphor pigment is doped with rare-earth substance as preferred, and contains and be selected from flow agent, the additive of defoamer and tensio-active agent.
Most preferably, this fluorescent ink comprises the inorganic phosphor pigment long wavelength ultraviolet optical excitation, rare earth doped material, the pigment of excited by visible light and be the mixture of the acrylic resin of partial penetration at least to long wavelength radiation, and the mutual ratio of the pigment of excited by visible light and phosphor pigments should make printing ink have fluorescence.This printing ink can silk screen printing, used pigment particle size is less than 15 microns, and used phosphor pigments is selected from the group that comprises redness, green and blue phosphor pigment, and the mutual ratio of redness, green and blue phosphor pigment should make printing ink have required fluorescence color.Further, used phosphor pigments be have light stability, to moisture inert leukoplast pigment, and be selected from and comprise Y
2O
2S: Eu, Zn
2GeO
4: Mn, BaMg
2Al
16O
27: Eu and 3 (Ba, Mg) 0.8Al
2O
3: Eu, the group of Mn.Used light emitted goes out 340 to 380 millimicrons of wavelength (nanometer), and preferably wavelength is 365 millimicrons a light.
Printing ink among the present invention is imprinted on the surface of display panel.Have only various indications to be imprinted on the back of plate, other all needn't be imprinted on the back, and the back also needn't light-illuminating.Gratifying illumination level is to obtain from the light of surrounding environment and UV-light.Needn't use multiple different printing ink in order to obtain satisfied showing in the daytime with satisfied demonstration at night.It is possible that color changes with night by day, and even may comprise that color is between white and any in essence color of wanting " vibration ".As long as the size and the printing ink of the present invention of pointer and information flag adapt, it is possible obtaining accurate the demonstration.
Only just can comprehensively be understood later on about all purposes of the present invention, all respects and advantage in the detailed description of having read to the preferred embodiment of the invention.Said being described below.
In conjunction with the accompanying drawings, the preferred embodiment of the invention is described.Accompanying drawing comprises:
Fig. 1 is the skeleton view by the typical motor vehicle display panel of the present invention's decoration, and middle portion is cut open and shows inner details.
Fig. 2 is the sectional view of the motor vehicle display panel according to the present invention and among Fig. 1.
Referring to Fig. 1 and Fig. 2, the preferred embodiment of the invention comprises the fluorescent ink that is used for display unit and contains the glossy black display unit of fluorescence.
In preferred demonstration shown in Figure 1, plate 10 is drawn together mark 12 and background color 14 as the instrument display panel act of violence of motor vehicle.Most preferably, background color 14 and mark 12 all are on a polycarbonate substrates.Background color 14 is black inks, and mark 12 is made with the printing ink that contains resin, phosphor pigments and transparent pigment according to the present invention.Transparent pigment by day under the ambient light for mark provides color, phosphor pigments then provides color for mark under the irradiation of UV-light.As less preferred, available matrix comprises acrylic resin, aluminium, polyester etc.
Referring to Fig. 1 and Fig. 2, display unit 16 comprises plate 10, has formed a dashboard that suitable car day and night is operated with additional element.Access panel 18 as the transparent plastics sheet material, has defined one near the interface of viewer such as motor vehicle driving person (being the driver).
And for example shown in Figure 2, light source 24 is positioned at the place ahead of display panel 10, wherein " forwardly " be meant that it is this one side of driver near the viewer that light source position promptly is positioned at display panel near the surface of display panel 10.As shown in the figure, light source 24 can laterally be offset to bottom, top and the side of plate 10 in the place ahead that remains in plate 10.
The UV-light that light source 24 sends is incident upon plate 10 from light source 24.If desired, irradiation can be direct projection, but preferably non-direct projection.Window shutter 27 can and preferably place between light source 24 and the plate 10, with the light direct beam that prevents light source 24 to plate 10.On the other hand, the luminous reflectance that sends of light source 24 is to the chamber 26 that has plane of reflection 28.Light also is mapped to the internal surface of access panel 28, and then the plate 10 that reflexes to as shown in arrow 29.Light shines the locational plane of reflection 30 in opposite (this plane of reflection is positioned at the opposite that light source 24 crosses display panel 30 spans) at last, and irradiate light as shown in arrow 31 then is to plate 10.
All these plane of reflection 28, the locational plane of reflection 30 in access panel 18 and opposite makes UV-light reflex to display panel 10 by inclination, layout and combination, thus to mark 12.Daytime is around under the light, mark 12 since its go up the effect of delustering pigment of contained day of printing ink and under background, be visual.Night, mark 12 fluoresced under the light of ultraviolet source 24, so and because the high-visibility pigment reflected back mark visible fluorescence of UV-light from printing ink.So because light source 24 sends the light night observation of 365 millimicrons of wavelength of low-light level is that safety is with clearly.
The printing ink of making by the present invention contains resin, preferably acrylic resin.A kind of good especially resin derives from the Summit Screen Inks of Missouri Kansas City, as K-89510 Plas-Tec transparent resin.K-89510 Plas-Tec transparent resin is to have removed flow agent or defoamer in the component of K-85541 Plas-Tec mixed transparent resin.K-89510 still is the patented product of acrylic resin mixture of Summit Screen Inks, in fact not through supervinyi modification and alkyd modified.Viscosity is the extremely viscous degree of Z1-Z2 Gardner-He Er (bubble type) during the K-89510 resin manufacture, and density is 8.3 pounds of per gallons.When the resin of determining such as acrylic resin when preferred, although vinyl modification at this moment and alkyd modified resin also are considered to be not suitable for, it is believed that and can adopt Resins, epoxy, carboxylamine resin and acrylic resin.
The daylight colored pigment can be added in the resin as phosphor pigments and additive.Preferred daylight colored pigment is transparent pigment.These pigment are " transparent ", are because they can be by the UV-light of 365 millimicrons of wavelength.Suitable transparent pigment derives from Summit Screen Inks, as K-85530, and 31,32,33,34,35,36,37,38,39,40,74 and 75Plas-Tec Ink Toners.All these pigment of having determined have a good photostabilization.
Preferred phosphor pigments is also added in the resin.Preferred phosphor pigments has light stability, is inertia for leukoplast and to moisture.Y most preferably
2O
2S: Eu, Zn
2GeO
4: Mn, BaMg
2Al
16O
27: Eu and 3 (Ba, Mg) 0.8Al
2O
3: Eu, Mn.That less preferred is ZnO: Zn, Sr
5(PO
4)
3Cl: Eu and Y
2O
2S: Eu.These phosphor pigments be leukoplast be because of they around under the irradiate light outward appearance be creamy white.Under UV-light, Y
2O
2S: Eu is red, Zn
2GeO
4: Mn is green, BaMg
2Al
16O
27: Eu is blue, and 3 (Ba, Mg) 0.8Al
2O
3: Eu, Mn also are green.
It is selectable whether adding the daylight coloured pigment, the ink colors that this depends in the daytime to be wanted and the demonstration of gained.In the presence of honorable look pigment all the time, the pigment of white is white in color mark 12.If need with the daylight coloured pigment to obtain a specific color in the daytime, will determine the chromaticity coordinates (color coordinate) of required color with chromaticity coordinates design (color coordinate scheme), it is desired assorted to obtain to add blended daylight coloured pigment then.This chromaticity coordinates design is painted on color on the color space, as CIE1931, and makes color have chromaticity coordinates.If need, determine by resin and daylight coloured pigment first in conjunction with the chromaticity coordinates of the resin-pigment composition that forms with spectrophotometry, and for the ratio of mixture of adjusting resin, pigment reaching desired color in the daytime, pigment add and spectrophotometric analysis between adopt the method for successive approximation (iteration).It is that the whole phosphor pigments of 4-6 part is than 4 parts of resin systems that phosphor pigments is added to preferred proportion in the resin system.Phosphor pigments too much causes into paste, and resin too much causes the unwished-for graininess of phosphor pigments.See on directly perceived that the proper ratio scope of phosphor pigments and resin system it is believed that between 3: 7 and 3: 1 parts of resins are to phosphor pigments.In order to obtain to have the best of breed of practicality and brightness at night, the desired proportions of resin and phosphor pigments is 4: 6.
Owing to be added with a day delustering pigment, phosphor pigments can obtain specific desired phosphorescence color by combination.Determine the chromaticity coordinates of the color of wanting.By using the invisible light of 365 millimicrons of wavelength, can estimate red, blue, the green phosphorescent pigment that obtains these colorant match combination and with the combination of resin.Color is checked by spectrophotometry, and if need, adopts the method for successive approximation to obtain desired color between spectrophotometry and pigment combinations.Only with-kind of veridian and a kind of red pigment and the mixing of a kind of blue pigments to obtain desired color.In two kinds of preferred green phosphorescent pigment, select for use veridian to obtain desired color.If may, use Zn
2GeO
4: Mn.As preferably, this method needs a kind of technology that is called designed experimental technique to help, " experimental design " and JohnA.Comell (Am.Soc.for Q.C. such as the relevant calculation machine program intersection statistics of delivering at Wiley, StatisticsDivisoin, Milwawke, Wisconsin, nineteen ninety) set forth in the test of " the How to Run MixtureExperiments for Product Quality " that is shown like that.Same as most preferably, used spectrophotometric is counted Research model 704 types, and test is carried out in the darkroom.
As mentioned above, if do not add a day delustering pigment, color is a white in the daytime.Add a day delustering pigment, in the daytime color can with night fluorescence color identical or different.The limitation of these colors " vibration " is because day delustering pigment makes the color at night of emission move to color in the daytime.A kind of color in the daytime of non-white and a kind of color combinations at night of white are considered to impossible.
Because the particle size that used resin and pigment are printing ink is less than 15 microns, the mode that all marks that will make 12 can silk screen printing is made.Except silk screen printing, other also are feasible as intaglio printing, dip coating etc.For the fluorescently-labeled display panel that some fluorescent marks and some non-fluorescent labels is arranged on the plate or have distinct color, it is comparatively suitable to carry out multiple silk screen printing.Yet, unless as required, generally only decorate in one side.Do not resemble the decoration of display panel in the past, can and decorate for picture and text demonstration at night in the plate back.
Described phosphorescent pigment is easy to and mixed with resin, and pigment under agitation slowly adds resin by the high speed dispersion device.
Embodiment preferred and manufacturing and use-pattern have now been illustrated.In order to particularly point out and clearly to require relevant subject matter of an invention, this specification sheets is included in following claim.About many variations of the specific detail of the present invention and application will be regarded as being included within the purport and scope of the present invention and claim.
Claims (26)
1. fluorescent ink, it comprises light activated inorganic phosphor pigment of long wave and acrylic resin; This printing ink has fluorescence under the long wavelength ultraviolet optical radiation.
2. the described fluorescent ink of claim 1 also comprises the pigment of excited by visible light.
3. claim 1 or 2 described fluorescent inks, wherein acrylic resin can penetrate the long wavelength ultraviolet optical radiation.
4. claim 1 or 2 described fluorescent inks, wherein inorganic phosphor pigment is doped with rare-earth substance.
5. claim 1 or 2 described fluorescent inks also comprise and are selected from flow agent, the additive of defoamer and tensio-active agent.
6. fluorescent ink comprises the mixture of following component:
The inorganic phosphor pigment of material that long wavelength ultraviolet excites, rare earth doped;
The pigment of excited by visible light; With
To long wavelength radiation is the acrylic acid resinoid of partial penetration at least;
This printing ink has fluorescence under the long wavelength ultraviolet optical radiation.
7. the described fluorescent ink of claim 6, the mutual ratio of the pigment of excited by visible light and phosphorescent pigment should make printing ink have fluorescence.
8. the described a kind of fluorescent ink that can silk screen printing of claim 6, wherein pigment particle size is less than 15 microns.
9. the described fluorescent ink of claim 6, wherein phosphorescent pigment is selected from redness, green and blue phosphorescent pigment, and the mutual ratio of red, green and blue-fluorescence pigment should make printing ink have desired fluorescence color.
10. the described fluorescent ink of claim 6, wherein phosphorescent pigment has light stability.
11. the described fluorescent ink of claim 6, wherein the phosphorus high-visibility pigment is a leukoplast pigment.
12. the described fluorescent ink of claim 6, wherein phosphorescent pigment is for to be inert pigment to moisture.
13. the described fluorescent ink of claim 6, wherein said phosphorescent pigment are selected from and comprise Y
2O
2S: Eu, Zn
2GeO
4: Mn and BaMg
2Al
16O
27: in the group of Eu.
14. a fluorescent display apparatus comprises:
A long wavelength ultraviolet light source;
A display panel is printed on show tags on this display panel, and show tags stamps with fluorescent ink, and used printing ink comprises inorganic phosphor pigment that long wavelength ultraviolet excites and acrylic resin and have fluorescence under the long wavelength ultraviolet optical radiation;
Above-mentioned light source is placed so that long wavelength ultraviolet light illuminates show tags with respect to display panel.
15. the described fluorescent display apparatus of claim 14, wherein printing ink also comprises the pigment of excited by visible light.
16. the described fluorescent display apparatus of claim 14, wherein the used acrylic resin of printing ink can penetrate the long wavelength ultraviolet optical radiation.
17. the described fluorescent display apparatus of claim 14, wherein the used inorganic phosphor pigment of printing ink is doped with rare-earth substance.
18. the described fluorescent display apparatus of claim 14, wherein printing ink also comprises and is selected from flow agent, the additive of defoamer and tensio-active agent.
19. the described fluorescent display apparatus of claim 14, wherein printing ink comprises the mixture of following component:
The inorganic phosphor pigment of the rare earth doped material of long wavelength ultraviolet optical excitation; The pigment of excited by visible light; Be the acrylic resin of partial penetration at least to long wavelength radiation;
This printing ink has fluorescence under the long wavelength ultraviolet optical radiation.
20. the described fluorescent display apparatus of claim 19, wherein the mutual ratio of the pigment of excited by visible light and phosphorescent pigment should make printing ink have fluorescence.
21. the described fluorescent display apparatus of claim 19, wherein printing ink is a kind of fluorescent ink that can silk screen printing, and used pigment particle size is less than 15 microns.
22. the described fluorescent display apparatus of claim 19, wherein the used phosphorescent pigment of printing ink is selected from the group that comprises redness, green and blue phosphorescent pigment, and redness, green and the shared separately mutual ratio of blue-fluorescence pigment should make printing ink have desired fluorescence color.
23. the described fluorescent display apparatus of claim 19, wherein phosphorescent pigment has light stability.
24. the described fluorescent display apparatus of claim 19, wherein phosphorescent pigment is a white pigment.
25. the described fluorescent display apparatus of claim 19, wherein phosphorescent pigment is for to be inert pigment to humidity.
26. the described fluorescent display apparatus of claim 19, wherein the used phosphorescent pigment of printing ink is selected from Y
2O
2S: Eu, Zn
2GeO
4: Mn and BaMg
2Al
16O
27: Eu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96192755 CN1179170A (en) | 1995-01-25 | 1996-01-24 | Imrpoved fluorescent inks |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/377,660 | 1995-01-25 | ||
| CN 96192755 CN1179170A (en) | 1995-01-25 | 1996-01-24 | Imrpoved fluorescent inks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1179170A true CN1179170A (en) | 1998-04-15 |
Family
ID=5128451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96192755 Pending CN1179170A (en) | 1995-01-25 | 1996-01-24 | Imrpoved fluorescent inks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1179170A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325545C (en) * | 2002-09-24 | 2007-07-11 | 罗姆两合公司 | Plastic molded body containing a fluorescent dye |
| CN103256556A (en) * | 2013-05-16 | 2013-08-21 | 邯郸市盛德技术玻璃有限公司 | Sunlight and manual light combined utilization type photosynthetic light turning glass plane light source |
| CN103351715A (en) * | 2013-07-08 | 2013-10-16 | 苏州凹凸彩印厂 | Ultraviolet fluorescent printing ink |
| CN110305533A (en) * | 2019-06-06 | 2019-10-08 | 广东轻工职业技术学院 | A kind of environment friendly transparent fluorescence ink for screen printing and its preparation process |
-
1996
- 1996-01-24 CN CN 96192755 patent/CN1179170A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325545C (en) * | 2002-09-24 | 2007-07-11 | 罗姆两合公司 | Plastic molded body containing a fluorescent dye |
| CN103256556A (en) * | 2013-05-16 | 2013-08-21 | 邯郸市盛德技术玻璃有限公司 | Sunlight and manual light combined utilization type photosynthetic light turning glass plane light source |
| CN103256556B (en) * | 2013-05-16 | 2014-12-10 | 邯郸市盛德技术玻璃有限公司 | Sunlight and manual light combined utilization type photosynthetic light turning glass plane light source |
| CN103351715A (en) * | 2013-07-08 | 2013-10-16 | 苏州凹凸彩印厂 | Ultraviolet fluorescent printing ink |
| CN110305533A (en) * | 2019-06-06 | 2019-10-08 | 广东轻工职业技术学院 | A kind of environment friendly transparent fluorescence ink for screen printing and its preparation process |
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